package com.hotel.mapper;

import com.hotel.bean.Admin;

import java.util.List;
import java.util.Map;

public interface AdminMapper {
    //登录
    Admin selectByUsername(String username);
    //查询所有房间入住情况
    List<Map<String,Object>> selectAllRoomIn();
    //查询各个房间计入收入
    List<Map<String,Integer>> selectAllRoomRprice();
    //今日总收入
    Double selectTodayInfo();
}
